| 0,0 → 1,148 |
|---|
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup ia32mm |
| * @{ |
| */ |
| /** @file |
| * @ingroup ia32mm, amd64mm |
| */ |
| |
| #include <mm/frame.h> |
| #include <arch/mm/frame.h> |
| #include <mm/as.h> |
| #include <config.h> |
| #include <arch/boot/boot.h> |
| #include <arch/boot/memmap.h> |
| #include <panic.h> |
| #include <debug.h> |
| #include <align.h> |
| #include <macros.h> |
| |
| #include <print.h> |
| #include <console/cmd.h> |
| #include <console/kconsole.h> |
| |
| size_t hardcoded_unmapped_ktext_size = 0; |
| size_t hardcoded_unmapped_kdata_size = 0; |
| |
| uintptr_t last_frame = 0; |
| |
| static void init_e820_memory(pfn_t minconf) |
| { |
| int i; |
| pfn_t start, conf; |
| size_t size; |
| |
| for (i = 0; i < e820counter; i++) { |
| if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
| start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, |
| FRAME_SIZE)); |
| size = SIZE2FRAMES(ALIGN_DOWN(e820table[i].size, |
| FRAME_SIZE)); |
| if (minconf < start || minconf >= start+size) |
| conf = start; |
| else |
| conf = minconf; |
| zone_create(start, size, conf, 0); |
| if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE)) |
| last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
| } |
| } |
| } |
| |
| static int cmd_e820mem(cmd_arg_t *argv); |
| static cmd_info_t e820_info = { |
| .name = "e820list", |
| .description = "List e820 memory.", |
| .func = cmd_e820mem, |
| .argc = 0 |
| }; |
| |
| static char *e820names[] = { "invalid", "available", "reserved", |
| "acpi", "nvs", "unusable" }; |
| |
| |
| static int cmd_e820mem(cmd_arg_t *argv) |
| { |
| int i; |
| char *name; |
| |
| for (i = 0; i < e820counter; i++) { |
| if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
| name = e820names[e820table[i].type]; |
| else |
| name = "invalid"; |
| printf("%.*p %#.16llXB %s\n", |
| sizeof(unative_t) * 2, |
| (unative_t) e820table[i].base_address, |
| (uint64_t) e820table[i].size, |
| name); |
| } |
| return 0; |
| } |
| |
| |
| void frame_arch_init(void) |
| { |
| static pfn_t minconf; |
| |
| if (config.cpu_active == 1) { |
| cmd_initialize(&e820_info); |
| cmd_register(&e820_info); |
| |
| |
| minconf = 1; |
| #ifdef CONFIG_SMP |
| minconf = max(minconf, |
| ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size)); |
| #endif |
| #ifdef CONFIG_SIMICS_FIX |
| minconf = max(minconf, ADDR2PFN(0x10000)); |
| #endif |
| init_e820_memory(minconf); |
| |
| /* Reserve frame 0 (BIOS data) */ |
| frame_mark_unavailable(0, 1); |
| |
| #ifdef CONFIG_SMP |
| /* Reserve AP real mode bootstrap memory */ |
| frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
| (hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
| |
| #ifdef CONFIG_SIMICS_FIX |
| /* Don't know why, but this addresses help */ |
| frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3); |
| #endif |
| #endif |
| } |
| } |
| |
| /** @} |
| */ |
| |